package wrongxx.guide;

import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatDelegate;
import android.support.v7.widget.SwitchCompat;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.CompoundButton;
import android.widget.Switch;

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    Toolbar toolbar;
    boolean exit = true;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
         if(AppCompatDelegate.getDefaultNightMode()==AppCompatDelegate.MODE_NIGHT_YES) {
            setTheme(R.style.DarkTheme);
        }
        else setTheme(R.style.LightTheme);

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Добавляем ToolBar

        toolbar = (Toolbar) findViewById(R.id.toolbar);
        toolbar.setTitle("Домашняя страница");
        setSupportActionBar(toolbar);

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.addDrawerListener(toggle);
        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);

        SwitchCompat themeswitch = findViewById(R.id.themeswitch);
        if(AppCompatDelegate.getDefaultNightMode()==AppCompatDelegate.MODE_NIGHT_YES) {
            themeswitch.setChecked(true);
        }
        themeswitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                if (isChecked) {
                    AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES);
                    restartApp();
                }
                else {
                    AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
                    restartApp();
                }
            }
        });
    }

    // Исключаем повторное открытыие активити

    @Override
    public void onBackPressed() {
        if(exit){
            moveTaskToBack(true);
            super.onBackPressed();
        } else {
            Intent intent = new Intent(this, MainActivity.class);
            startActivity(intent);

        }
    }

    // Настраиваем действия бокового меню

    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle navigation view item clicks here.

        Fragment fragment = null;

        int id = item.getItemId();

        if (id == R.id.homepage) {

            Intent intent = new Intent(this, MainActivity.class);
            startActivity(intent);

        } else if (id == R.id.heroes) {

            fragment = new HeroesFragment();

        } else if (id == R.id.maps) {

            fragment = new MapsFragment();

        } else if (id == R.id.moreinfo) {

            fragment = new MoreInfoFragment();

        } else if (id == R.id.aboutapp) {

            fragment = new AboutAppFragment();
        }

        if(fragment != null){
            FragmentManager fragmentManager = getSupportFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.container, fragment).addToBackStack(null).commit();

            exit = false;
        } else {
            exit = true;}

        item.setChecked(true);
        toolbar.setTitle(item.getTitle());

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);
        return true;
    }
    public void restartApp(){
      Intent i = new Intent(getApplicationContext(),MainActivity.class);
      startActivity(i);
      finish();;
    }
}